JP2012040104A - Chest x-ray imaging apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chest X-ray imaging apparatus which alleviates a burden on a person to be photographed in photographing a chest part and avoids a fall in the quality of an image.SOLUTION: The chest X-ray imaging apparatus 10 includes: an X-ray detecting device 13; a crankshaft 171 which is held in the back of a detecting surface of the X-ray detecting device 13 and rotates by using the horizontal direction of the X-ray detecting device 13 as the axis; right and left crank handles 172 which have right and left handle parts grasped with respective hands of the person P to be photographed and have a shape to guide the person P to the detecting surface from the back surface by the rotation of the crankshaft 171; and a locking part 173 which locks the rotation of the crankshaft 171 in a manner to prevent rotations of the right and left handle parts in the direction from the back to the front of the detecting surface when the right and left handle parts are located below the crankshaft 171 and cancels the locking state.

Description

  The present embodiment as one aspect of the present invention relates to a chest X-ray imaging apparatus used for chest X-ray imaging.

  A group such as a school or a company is obliged to generate a chest image by chest imaging using a chest X-ray imaging apparatus about once a year and perform a diagnosis based on the chest image. In chest imaging, an engineer positions the subject by touching the body of each subject.

JP 2007-229346 A

  However, according to the prior art, a photographer such as an engineer has to touch the body of each person to be photographed to position the person to be photographed.

  Further, according to the prior art, since the photographing posture of the subject is unnatural, there is a burden on the subject to maintain the photographing posture until the end of photographing. If the subject moves during photographing and the photographing posture is lost, the image quality of the acquired image is degraded.

  In order to solve the above-described problems, the chest X-ray imaging apparatus according to the present embodiment is behind an X-ray irradiation unit, an X-ray detection unit provided with a plurality of X-ray detection elements, and a detection surface of the X-ray detection unit. And a left and right handle portion that can be gripped by each hand of the subject. Left and right crank handles having a shape for guiding a photographer from the back to the detection surface, and when the left and right handle portions are below the crankshaft, the left and right handle portions are oriented from the rear to the front of the detection surface. And a locking portion that locks the crankshaft so that the crankshaft is not rotated, and can release the locking.

  In order to solve the above-described problems, the chest X-ray imaging apparatus according to the present embodiment is behind an X-ray irradiation unit, an X-ray detection unit provided with a plurality of X-ray detection elements, and a detection surface of the X-ray detection unit. The left and right cranks have a crankshaft that is held integrally with the X-ray detection unit and rotates about the left-right direction of the X-ray detection unit, and left and right handle portions that can be gripped by each hand of the subject. When the handle and the left and right handle portions are below the crankshaft, the crankshaft is locked so that the left and right handle portions are not rotated from the rear to the front of the detection surface. And a locking part capable of releasing the locking.

1 is a side external view showing an overall configuration of an X-ray diagnostic apparatus including a chest X-ray imaging apparatus according to a first embodiment. The side external view for showing the structure of the imaging assistance apparatus of the chest X-ray imaging apparatus of 1st Embodiment. The side external view for showing the structure of the imaging assistance apparatus of the chest X-ray imaging apparatus of 1st Embodiment. The side external view for showing the structure of the imaging assistance apparatus of the chest X-ray imaging apparatus of 1st Embodiment. 1 is a front external view for illustrating the configuration of an imaging assistance apparatus of a chest X-ray imaging apparatus according to a first embodiment. FIG. 3 is a top external view for illustrating a configuration of an imaging assisting apparatus of the chest X-ray imaging apparatus according to the first embodiment. The side external view which shows the whole structure of the X-ray diagnostic apparatus containing the chest X-ray imaging apparatus of 2nd Embodiment. The side external view for showing the structure of the imaging assistance apparatus of the chest X-ray imaging apparatus of 2nd Embodiment. The side external view for showing the structure of the imaging assistance apparatus of the chest X-ray imaging apparatus of 2nd Embodiment. The side external view for showing the structure of the imaging assistance apparatus of the chest X-ray imaging apparatus of 2nd Embodiment. The front external view for showing the structure of the imaging assistance apparatus of the chest X-ray imaging apparatus of 2nd Embodiment. The upper surface external view for showing the structure of the imaging assistance apparatus of the chest X-ray imaging apparatus of 2nd Embodiment.

  An X-ray diagnostic apparatus including a chest X-ray imaging apparatus according to this embodiment will be described with reference to the accompanying drawings.

(First embodiment)
FIG. 1 is a side external view showing an overall configuration of an X-ray diagnostic apparatus including a chest X-ray imaging apparatus according to the first embodiment.

  FIG. 1 shows an X-ray diagnostic apparatus 1 including a chest X-ray imaging apparatus 10 of the first embodiment. The X-ray diagnostic apparatus 1 includes a chest X-ray imaging apparatus 10 installed in the imaging room R1 and an imaging control / image processing apparatus 20 installed in the operation room R2.

  The chest X-ray imaging apparatus 10 of the X-ray diagnostic apparatus 1 includes an X-ray irradiation apparatus 11, an X-ray irradiation side support apparatus 12, an X-ray detection apparatus 13, an X-ray detection side support apparatus 14, an imaging table 15, and an X-ray high voltage. A device 16 and a photographing auxiliary device 17 are provided.

  The X-ray irradiation device 11 includes an X-ray tube device 11a and an X-ray movable aperture device 11b. The X-ray tube device 11a generates X-rays for irradiating the subject P. The X-ray movable diaphragm device 11b limits the irradiation range of X-rays irradiated to the subject P.

  The X-ray irradiation side support device 12 supports the X-ray irradiation device 11 from the ceiling. The X-ray irradiation side support device 12 may be configured to support the X-ray irradiation device 11 from a wall surface or a floor surface. The X-ray irradiation side support device 12 includes a movement adjustment mechanism that moves the X-ray irradiation device 11 in the vertical direction and the horizontal direction.

  The X-ray detector 13 is a flat detector. The X-ray detection device 13 is arranged opposite to the X-ray irradiation device 11, detects the transmission X-ray of the subject P, converts the detection data into digital image data, and reads it out.

  The X-ray detection side support device 14 supports the X-ray detection device 13 from the floor surface. The X-ray detection-side support device 14 moves the X-ray detection device 13 up and down in accordance with the chest position (height) of the subject P in order to position it on the chest that is an imaging region of the subject P. An adjustment mechanism is provided. Using the movement adjustment mechanism of the X-ray irradiation side support device 12 and the movement adjustment mechanism of the X-ray detection side support device 14, the chest of the subject P can be positioned in the X-ray irradiation range.

  The imaging stand 15 mounts the subject P.

  The X-ray high voltage apparatus 16 has a function of generating a high voltage applied between the anode and the cathode of the X-ray tube apparatus 11a corresponding to the X-ray imaging conditions, and a current flowing between the anode and the cathode of the X-ray tube apparatus 11a. It has a function to control.

  The configuration of the photographing assisting device 17 will be described later with reference to FIGS.

  The imaging control / image processing device 20 of the X-ray diagnostic apparatus 1 includes an image processing device 21 and an operation device 22.

  The image processing apparatus 21 performs various correction processes such as dark current correction and gain correction of the X-ray detection apparatus 13 on the digital image data detected by the X-ray detection apparatus 13 of the chest X-ray imaging apparatus 10, and the correction processing is performed. A captured image is generated from the image data obtained by subjecting the obtained image data to dynamic range compression processing, filter processing, and the like.

  The operation device 22 includes an input device, a display device, and a photographing control device. The input device inputs imaging conditions, imaging site, patient name, and various parameters required for imaging and image processing. The display device includes a cathode ray tube (CRT) that displays an X-ray image, a liquid crystal monitor, and the like, and displays parameters necessary for imaging input and set by the input device 22. The imaging control device controls imaging based on X-ray imaging conditions and imaging control parameters set by the operation device.

  2 to 4 are side external views for illustrating the configuration of the imaging assisting device 17 of the chest X-ray imaging apparatus 10 of the first embodiment. FIG. 5 is a front external view for illustrating the configuration of the imaging assistance apparatus 17 of the chest X-ray imaging apparatus 10 of the first embodiment. FIG. 6 is a top external view for illustrating the configuration of the imaging assisting device 17 of the chest X-ray imaging apparatus 10 of the first embodiment.

  As shown in FIGS. 2 to 6, the photographing assisting device 17 includes a crankshaft 171, a crank handle 172, a locking portion 173, a grip 174, a bar 175, and a pad 176. Note that the grip 174, the bar 175, and the pad 176 are not essential components of the chest X-ray imaging apparatus 10.

  The crankshaft 171 is held integrally with the X-ray detection device 13 behind the detection surface of the X-ray detection device 13 and rotates about the left-right direction of the X-ray detection device 13. One crankshaft 171 may be provided, or two crankshafts may be provided in the left-right direction. The chest X-ray imaging apparatus 10 will be described assuming that two crankshafts 171 are provided on the left and right.

  Two crank handles 172 are provided on the left and right. The left and right crank handles 172 have left and right handle portions that can be gripped by each hand of the subject P, and the subject P is moved from the back to the detection surface of the X-ray detection device 13 by the rotation of the crankshaft 171. It has a guiding shape. When one crankshaft 171 is provided, the left and right crank handles 172 are respectively supported by one crankshaft 171.

  It is desirable that the crank handle 172 has a shape that does not appear in an image acquired by the X-ray diagnostic apparatus 1. However, as long as it can be clearly distinguished that the portion of the crank handle 172 shown in the image is an artifact, the shape of the crank handle 172 may be used.

  The locking portion 173 is provided on the left and right according to the left and right crankshafts 171. The left and right engaging portions 173 do not rotate the left and right handle portions from the rear of the detection surface of the X-ray detection device 13 to the front direction (direction D2) when the left and right handle portions are below the crankshaft 171. This is a mechanism capable of locking the crankshaft 171 and releasing the locking. The locking portion 173 is, for example, a mechanical ratchet mechanism. Further, as the locking portion 173, a hydraulic cylinder in which the rod is expanded and contracted by the rotation of the crankshaft 171 may be employed.

  Two grips 174 are provided on the left and right. The left and right grips 174 are respectively supported by the handle portions of the left and right crank handles 172, and are used by the subject P to hold with each hand. The left and right grips 174 are respectively attached to the handle portions of the left and right crank handles 172 so as to be rotatable with respect to the handle portions. Further, the grip 174 has a shape that is shaped according to the unevenness of the hand of the subject P to be held.

  The bar 175 is installed between the left and right crank handles 172. The bar 175 operates the left and right crank handles 172 in conjunction with each other when two crankshafts 171 are provided. Further, the bar 175 is installed so as to be near the left and right waists of the subject P at a position behind the detection surface of the X-ray detection device 13 when the left and right handle portions are below the crankshaft 171. Also good. In that case, it can also be used as an assist for positioning of the person to be photographed P (an assistance near the waist of the person to be photographed P).

  Two pads 176 are provided on the left and right. The left and right pads 176 are provided at locations where the left and right crank handles 172 come into contact with the vicinity of the left and right shoulders of the subject P as the crank shaft 171 rotates.

  Next, the operation of the photographing assistance device 17 will be described.

  When starting the positioning of the subject P, a photographer such as an engineer uses the locking portion 173 to lock the rotation in the direction D2 at the first position Q1 of the crank handle 172 shown in FIG. Then, the subject P guided on the imaging table 15 faces the detection surface of the X-ray detection device 13. The photographer moves the X-ray detection device 13 in the vertical direction with respect to the X-ray detection side support device 14 according to the height of the subject P. Since the imaging assistance device 17 is configured integrally with the X-ray detection device 13, it is moved in the vertical direction according to the vertical movement of the X-ray detection device 13.

  Next, the person P to be photographed on the imaging table 15 grasps the crank handle 172 and rotates the crank handle 172 so that the crank shaft 171 rotates in the direction D1. Alternatively, the photographer holds the crank handle 172, rotates the crank handle 172 so that the crank shaft 171 rotates in the direction D1, and passes the crank handle 172 to the subject P. That is, the crank handle 172 changes from the first position Q1 shown in FIG. 2 to the position shown in FIG.

  Subsequently, the subject P holds the handle portions (or the left and right grips 174) of the left and right crank handles 172 with each hand and rotates the crank handle 172 so that the crank shaft 171 rotates in the direction D1. Let That is, the crank handle 172 is moved from the position shown in FIG. 3 to the second position Q2 shown in FIGS. While the crank handle 172 reaches the second position Q2 shown in FIGS. 4 to 6 from the position shown in FIG. 3, each hand of the subject P gradually moves from the front to the rear of the detection surface of the X-ray detection device 13. Since it moves, the front surface of the subject P is gradually pressed against the detection surface of the X-ray detection device 13. Since the crank handle 172 is gradually rotated in the direction D2 by each hand of the person P to be photographed, from the position shown in FIG. 3 to the second position Q2 shown in FIGS. The pad 176 of the crank handle 172 gradually presses the vicinity of the shoulder of the subject P against the detection surface of the X-ray detection device 13.

  It should be noted that in the process from the first position Q1 shown in FIG. 2 to the second position Q2 shown in FIGS. 4 to 6, it is necessary to release the locking of the rotation in the direction D2, for example, in the case of repositioning. The person can appropriately release the locking of the rotation in the direction D2 using the locking portion 173.

  When the positioning of the subject P is completed, the subject P grasps the handle portions (or the left and right grips 174) of the left and right crank handles 172 with each hand at the second position Q2 shown in FIGS. The chest photography is performed as it is. When the photographing is completed, the photographer releases the locking of the rotation in the direction D2 using the locking portion 173. The person P to be photographed grips the crank handle 172, rotates the crank handle 172 so that the crank shaft 171 rotates in the direction D2, and then descends from the imaging table 15. That is, the crank handle 172 returns from the second position Q2 shown in FIGS. 4 to 6 to the first position Q1 shown in FIG.

  According to the photographing assisting device 17, the person P to be photographed can bring the crank handle 172 to the second position Q2 shown in FIGS. 4 to 6 and perform positioning. That is, since it is not necessary for the photographer to individually position the subject P, photographing efficiency is improved.

  Further, according to the photographing assisting device 17, the crank handle 172 at the second position Q2 shown in FIGS. 4 to 6 does not rotate in the direction D2 of the crankshaft 171. Therefore, the person P to be photographed is positioned. Since the photographing posture can be easily maintained and the subject P is prevented from moving during photographing, it is possible to avoid deterioration in image quality of the acquired image.

  Furthermore, according to the photographing assisting device 17 including the pad 176, when the crank handle 172 is in the second position Q2 shown in FIGS. 4 to 6, the scapula of the subject P can be opened to maintain a more suitable photographing posture. .

(Second Embodiment)
FIG. 7 is a side external view showing the overall configuration of the X-ray diagnostic apparatus including the chest X-ray imaging apparatus of the second embodiment.

  FIG. 7 shows an X-ray diagnostic apparatus 1A including a chest X-ray imaging apparatus 10A of the second embodiment. The X-ray diagnostic apparatus 1A includes a chest X-ray imaging apparatus 10A installed in the imaging room R1 and an imaging control / image processing apparatus 20 installed in the operation room R2.

  A chest X-ray imaging apparatus 10A of the X-ray diagnostic apparatus 1A includes an X-ray irradiation apparatus 11, an X-ray irradiation side support apparatus 12, an X-ray detection apparatus 13, an X-ray detection side support apparatus 14, an imaging table 15, and an X-ray high voltage. A device 16 and a photographing auxiliary device 27 are provided.

  The configuration of the photographing assisting device 27 will be described later with reference to FIGS.

  In the X-ray diagnostic apparatus 1A shown in FIG. 7, the same members as those in the X-ray diagnostic apparatus 1 shown in FIG.

  8 to 10 are side external views for illustrating the configuration of the imaging assisting device 27 of the chest X-ray imaging apparatus 10A of the second embodiment. FIG. 11 is a front external view for illustrating the configuration of the imaging assistance apparatus 27 of the chest X-ray imaging apparatus 10A of the second embodiment. FIG. 12 is a top external view for illustrating the configuration of the imaging assistance apparatus 27 of the chest X-ray imaging apparatus 10A of the second embodiment.

  As shown in FIGS. 8 to 12, the photographing assisting device 27 includes a crankshaft 271, a crank handle 272, a locking portion 273, a grip 274, a belt (rubber band) 275, and an automatic lock type winding portion 276. The Note that the grip 274, the belt 275, and the self-locking winding unit 276 are not essential components of the chest X-ray imaging apparatus 10A.

  The crankshaft 271 is held integrally with the X-ray detection device 13 behind the detection surface of the X-ray detection device 13 and rotates about the left-right direction. One crankshaft 271 may be provided, or two crankshafts 271 may be provided in the left-right direction. The chest X-ray imaging apparatus 10A will be described assuming that two crankshafts 271 are provided on the left and right.

  Two crank handles 272 are provided on the left and right. The left and right crank handles 272 have left and right handle portions that can be gripped by each hand of the subject P. When one crankshaft 271 is provided, the left and right crank handles 272 are respectively supported by one crankshaft 271.

  The locking portion 273 is provided on the left and right according to the left and right crankshafts 271. The left and right engaging portions 273 are arranged so that the left and right handle portions are not rotated from the rear to the front of the detection surface of the X-ray detector 13 when the left and right handle portions are below the crank shaft 271. This mechanism is capable of locking the rotation and releasing the locking. The locking portion 273 is, for example, a mechanical ratchet mechanism. Further, as the locking portion 273, a hydraulic cylinder in which the rod is expanded and contracted by the rotation of the crankshaft 271 may be employed.

  Two grips 274 are provided on the left and right. The left and right grips 274 are respectively supported by the handle portions of the left and right crank handles 272 and are used by the subject P to hold with each hand. The left and right grips 274 are respectively attached to the handle portions of the left and right crank handles 272 so as to be rotatable with respect to the handle portions. Further, the grip 274 has a shape that is shaped according to the unevenness of the hand of the subject P to be held.

  Two belts 275 are provided on the left and right. One end of each of the left and right belts 275 is supported by the left and right crank handles 272, respectively.

  Two self-locking winding units 276 are provided on the left and right. The left and right self-locking winding units 276 are integrally held by the X-ray detection device 13 on the upper side of the X-ray detection device 13 (a position higher than the shoulder of the subject P). The left and right automatic lock type winding units 276 that have pulled out the left and right belts 275 can automatically lock the drawers of the left and right belts 275 at arbitrary positions. The left and right belts 275 connect the left and right crank handles 272 and the left and right self-locking winding units 276 via the upper side of the detection surface of the X-ray detection device 13 (near the left and right shoulders of the subject P). Connect each one.

  Next, the operation of the photographing assistance device 27 will be described.

  When starting the positioning of the subject P, a photographer such as an engineer uses the locking portion 273 to lock the rotation in the direction D2 at the first position Q1 of the crank handle 272 shown in FIG. Then, the subject P guided on the imaging table 15 passes each hand from the inside between the left and right belts 275 and the X-ray detection device 13, and faces the detection surface of the X-ray detection device 13. . At this time, the automatic lock type winding unit 276 automatically locks the drawer of the belt 275. The photographer moves the X-ray detection device 13 in the vertical direction with respect to the X-ray detection side support device 14 according to the height of the subject P. Since the imaging assistance device 17 is configured integrally with the X-ray detection device 13, it is moved in the vertical direction according to the vertical movement of the X-ray detection device 13.

  Next, the person P to be photographed on the imaging stand 15 holds the handle portions (or the left and right grips 274) of the left and right crank handles 272 with his / her hands, so that the crank shaft 271 rotates in the direction D1. The crank handle 272 is rotated. That is, the crank handle 272 is moved from the first position Q1 shown in FIG. 8 to the position shown in FIG.

  Subsequently, the subject P rotates the crank handle 272 so that the crankshaft 271 rotates in the direction D1 while holding the handle portions (or the left and right grips 274) of the left and right crank handles 272 with each hand. Move. That is, the crank handle 272 is moved from the position shown in FIG. 9 to the second position Q2 shown in FIGS. While the crank handle 272 reaches the second position Q2 shown in FIGS. 10 to 12 from the position shown in FIG. 9, each hand of the subject P gradually moves from the front to the rear of the detection surface of the X-ray detection device 13. Since it moves, the front surface of the subject P is gradually pressed against the detection surface of the X-ray detection device 13. Further, since the crank handle 272 is gradually rotated in the direction D2 by each hand of the person P to be photographed, from the position shown in FIG. 9 to the second position Q2 shown in FIGS. The belt 275 whose drawer is locked gradually presses the vicinity of the shoulder of the subject P against the detection surface of the X-ray detection device 13.

  It should be noted that in the process from the first position Q1 shown in FIG. 8 to the second position Q2 shown in FIGS. 10 to 12, it is necessary to release the locking of the rotation in the direction D2, for example, in the case of repositioning. The person can appropriately release the locking of the rotation in the direction D2 using the locking portion 273.

  When the positioning of the subject P is completed, the subject P grasps each handle portion (or the left and right grips 274) of the left and right crank handles 272 with each hand at the second position Q2 shown in FIGS. The chest photography is performed as it is. When the photographing is completed, the photographer releases the locking of the rotation in the direction D2 using the locking portion 273. The subject P rotates the handle portions (or the left and right grips 274) of the left and right crank handles 272 so that the crankshaft 271 rotates in the direction D <b> 2. get off. That is, the crank handle 272 returns from the second position Q2 shown in FIGS. 10 to 12 to the first position Q1 shown in FIG.

  According to the photographing assisting device 27, the person P to be photographed can bring the crank handle 272 to the second position Q2 shown in FIGS. 10 to 12 and perform positioning. That is, since it is not necessary for the photographer to individually position the subject P, photographing efficiency is improved.

  Further, according to the photographing assisting device 27, the crank handle 272 at the second position Q2 shown in FIGS. 10 to 12 does not rotate in the direction D2 of the crankshaft 271. Therefore, the person P to be photographed is positioned. Since the photographing posture can be easily maintained and the subject P is prevented from moving during photographing, it is possible to avoid deterioration in image quality of the acquired image.

  Further, according to the photographing assisting device 27 including the belt 275 and the automatic lock type winding unit 276, when the crank handle 272 is in the second position Q2 shown in FIGS. 10 to 12, the shoulder blade of the subject P is opened. A more suitable photographing posture can be maintained.

  According to the chest X-ray imaging apparatuses 1 and 1A of the present embodiment, it is possible to reduce the burden on the subject P at the time of chest imaging and to prevent the image quality from deteriorating.

  As described above, the chest X-ray imaging apparatus according to the present invention has been described based on the embodiment. However, the specific configuration of the chest X-ray imaging apparatus according to the present invention is not limited to this embodiment, and is claimed. Changes or additions in the design are permitted without departing from the spirit of the invention described in the above. For example, while the chest X-ray imaging apparatus according to the present invention has been described as a digital system in the embodiment, the chest X-ray imaging apparatus according to the present invention can be an analog system.

DESCRIPTION OF SYMBOLS 1,1A X-ray diagnostic apparatus 10, 10A Chest X-ray imaging apparatus 11 X-ray irradiation apparatus 13 X-ray detection apparatus 17, 27 Imaging assistance apparatus 20 Imaging control and image processing apparatus 171, 271 Crankshaft 172, 272 Crank handle 173 273 Locking portion 174, 274 Grip 175 Bar 176 Pat 275 Belt 276 Automatic lock type winding portion

Claims (10)

An X-ray irradiation unit;
An X-ray detector provided with a plurality of X-ray detector elements;
A crankshaft that is held behind the detection surface of the X-ray detection unit and rotates about the horizontal direction of the X-ray detection unit;
Left and right crank handles having left and right handle portions that can be gripped by each hand of the subject, and having a shape that guides the subject from the back to the detection surface by rotation of the crankshaft;
When the left and right handle portions are located below the crankshaft, the left and right handle portions are locked to prevent the crankshaft from rotating from the rear to the front of the detection surface, and A locking part capable of releasing the locking;
A chest X-ray imaging apparatus comprising: The chest X-ray imaging apparatus according to claim 1, wherein the crankshaft is held integrally with the X-ray detection unit behind the detection surface. The chest part according to claim 1 or 2, wherein left and right pads are respectively provided at positions where the left and right crank handles come into contact with the vicinity of left and right shoulders of the subject by rotation of the crankshaft. X-ray imaging device. The chest X-ray imaging apparatus according to any one of claims 1 to 3, wherein a bar is provided between the left and right crank handles. 5. The bar is constructed so as to be near the left and right waists of the subject at a position behind the detection surface when the left and right handle portions are below the crankshaft. The chest X-ray imaging apparatus described in 1. An X-ray irradiation unit;
An X-ray detector provided with a plurality of X-ray detector elements;
A crankshaft that is held integrally with the X-ray detection unit behind the detection surface of the X-ray detection unit and rotates about the left-right direction of the X-ray detection unit;
Left and right crank handles having left and right handle portions that can be held by each hand of the subject,
When the left and right handle portions are located below the crankshaft, the left and right handle portions are locked to prevent the crankshaft from rotating from the rear to the front of the detection surface, and A locking part capable of releasing the locking;
A chest X-ray imaging apparatus comprising: The chest X-ray imaging apparatus according to claim 6, wherein the crankshaft is held integrally with the X-ray detection unit behind the detection surface. Left and right belts, one end of which is supported by the left and right crank handles, respectively;
Left and right lock-type winding units that are held integrally with the X-ray detection unit at a position higher than the shoulder of the subject, and can automatically lock the left and right belt drawers at arbitrary positions; Further comprising
The chest part according to claim 6 or 7, wherein the left and right belts respectively connect the left and right crank handles and the left and right automatic lock type winding units via the upper side of the detection surface. X-ray imaging device. The chest X according to any one of claims 1 to 8, further comprising left and right grips attached to the left and right handle portions so as to be rotatable with respect to the left and right handle portions, respectively. X-ray equipment. The chest X-ray imaging apparatus according to claim 9, wherein the grip has a shape formed in accordance with the unevenness of the hand of the subject P to be gripped.

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